JP5867946B1 - Chair - Google Patents

Abstract

[PROBLEMS] To provide a chair for a care recipient who can be safely and easily seated stably and can stand up safely with little effort and without burden. A seat 10 for a user to sit on, a leg 20 that extends below the seat 10 and supports the seat 10, and one side edge 12 side of the seat 10 is provided. An armrest portion 30 on which the user places an elbow, and the other corner 13a on the front edge 13 side of the seat portion 10 is more than the one corner 13b on the front edge 13 side of the seat portion 10 Further, the seat portion 10 is left-right asymmetric in plan view by being rounded. [Selection] Figure 4

Description

  The present invention relates to a chair, and more particularly to a user (a person who is in a disabled state or the like. For example, an elderly person who has a disabled person or an elderly person whose muscle strength is weak) In the present specification, these persons are hereinafter referred to as “caregivers” etc.), which can be safely and easily and stably seated with little effort. The present invention relates to a chair for a care recipient who can stand safely without burden.

  Conventionally, as a chair for a person being assisted, a seat for a person to be assisted is seated, armrests provided on both sides of the seat (two armrests), from the armrest A nursing dining chair (chair) comprising a front leg portion extending downward, a rear leg portion standing upright behind the seat portion, and a backrest portion attached to the upper end side of the armrest portion and the rear leg portion. It is known (see Non-Patent Document 1).

amazon. co. jp DC-530P Nursing wooden stacking chair Dining chair beige with elbow [searched on June 16, 2015], Internet <URL: http://www.amazon.co.jp/DC-530P-%E4%BB%8B % E8% AD% B7% E6% 9C% A8% E8% A3% BD% E3% 82% B9% E3% 82% BF% E3% 83% 83% E3% 82% AD% E3% 83% B3% E3 % 82% B0% E3% 83% 81% E3% 82% A7% E3% 82% A2-% E8% 82% 98% E4% BB% 98% E3% 81% 8D-% E3% 83% 80% E3 % 82% A4% E3% 83% 8B% E3% 83% B3% E3% 82% B0% E3% 83% 81% E3% 82% A7% E3% 82% A2-% E3% 83% 99% E3% 83% BC% E3% 82% B8% E3% 83% A5 / dp / B00K7QFE3A / ref = sr_1_3? Ie = UTF8 & qid = 1434003426 & sr = 8-3 & keywords =% E4% BB% 8B% E8% AD% B7% E6% A4 % 85% E5% AD% 90>

  However, the nursing dining chair described in Non-Patent Document 1 has armrests on both sides of the seat (two armrests are provided), and the person being assisted is the chair. Since the space for sitting on the chair and the space for standing up from the chair exist only in front of the chair, in the dining chair for care described in Non-Patent Document 1, the care recipient is safe and It cannot be easily seated, and it cannot stand up safely with little effort and no load.

  Specifically, when a caregiver or the like tries to sit on a chair, the caregiver or the like turns his back to the chair and sits down on the seat, but is described in Non-Patent Document 1. There is only a narrow space (space) in front of the chair as a space for the caregiver to sit on the chair in the nursing chair for caregivers, so the caregiver etc. will try to sit on this When doing so, there is a problem of hitting his / her buttocks against the armrest (that is, the armrest becomes an obstacle and dangerous). Therefore, in this case, a caregiver or the like who is in a disabled state or the like may lose the balance due to the impact or may not be able to withstand the impact and fall down. In the dining chair for care described in 1, the person being assisted cannot be seated safely.

  In addition, in order for a care recipient to avoid such a situation, the care recipient must sit down slowly (slowly) toward the seat while avoiding the armrest. For a caregiver who is in a disabled state, etc., it is very laborious to perform this kind of movement (moving carefully toward the seat while avoiding the armrest). (The person being assisted cannot easily sit on the chair).

  Furthermore, in the dining chair for care described in Non-Patent Document 1, as described above, there is only a narrow space (space) in front of the chair as a space when the person being assisted stands up from the chair. Therefore, when a person being assisted stands up from this chair, he / she cannot stand up with his / her legs widened and puts his / her legs into force. (If you have your legs widened to the left and right, you will have more power in your legs and your lower body will be more stable than if you have your legs aligned.) For this reason, caregivers, etc., must stand up from the chair by relying on the strength of their arms to cover the unstable state of the legs when standing up from this chair, so it takes a lot of labor and burden. (Because it is necessary to lift the body with both arms using the two armrests as supporting points, both arms will have a considerable load).

  Further, in the dining chair for care described in Non-Patent Document 1, a person who assists a person being assisted (a person who cares for or assisted the person being assisted, etc .; hereinafter referred to as “caregiver or the like”). When supporting a standing person such as a caregiver, the caregiver has to support the person being assisted from the front (the space that exists in front), so that the body of the caregiver is subject to considerable burden. Become.

  In addition, in the dining chair for care described in Non-Patent Document 1, when a caretaker or the like lifts the body with both arms using the two armrests as support points, Since a force to be pushed into the wheel is applied, the chair may fall backward due to this force, and the person being assisted may fall backward. Therefore, in the dining chair for nursing care described in Non-Patent Document 1, the person being assisted cannot be erected safely.

  Therefore, the present invention has been made in view of the above points, and a person being assisted can be safely and easily and stably seated, and can stand up safely with little effort and without burden, The object is to provide a chair for a care recipient.

The chair according to the invention of claim 1 is a seat for a user to sit on, a leg that extends below the seat, and supports the seat, and one side of the seat. An armrest for a user to place an elbow, and the other corner on the front edge side of the seat portion is chamfered larger than the one corner on the front edge side of the seat portion. The other side edge of the seat portion is formed in an arc shape, and the one side edge of the seat portion is formed perpendicular to the front edge of the seat portion , so that the seat portion is It is characterized by left-right asymmetry in plan view.

The chair according to the invention of claim 2 is the chair according to the invention of claim 1 , characterized in that the other side edge side of the seat portion can be folded downward.

  In the invention according to claim 1, the armrest portion is provided above one side edge side of the seat portion (only one armrest portion is provided), the front edge side of the seat portion (front of the chair), and Since the other side edge side (the other side of the chair) of the seat portion is configured to be opened, the chair according to the present invention has a sufficient (wide) person to be seated on the chair. There is a space for standing up and a space for standing up from a chair. Therefore, according to the present invention, it is possible to provide a chair that allows a care recipient or the like to sit safely and easily and stably and stand up safely with little effort and without a burden.

  Specifically, as described above, the chair according to the present invention has a sufficient space for the person being assisted to sit on the chair. If you sit down toward the seat, your armrests will become an obstacle and you will not lose balance or fall (because your buttocks will not hit your armrests). Since it is not necessary to sit down slowly (slowly) toward the seat portion while avoiding the armrest portion, the person or the like can be seated safely and easily in the present invention.

  In addition, as described above, the chair according to the present invention has a sufficient space when the person being assisted stands up from the chair, so that the person assisted by his / her own foot when standing up from the chair. You can stand up with great force on your legs in a state that is widened to the left and right. In other words, in the present invention, in addition to the front edge side of the seat (front of the chair), the other side edge of the seat (the other side of the chair) is configured to be opened. By utilizing this open space, the legs on the other side edge of the seat in the seated state are widened to the other side edge of the seat, so that the legs are widened to the left and right (the lower body is stable It is possible to stand up from this chair in a stable state (with force on the foot). Therefore, in the present invention, when the person being assisted stands up from the chair, his / her legs are not unstable (the legs are aligned), and he relies on the power of his / her arms to Since it is not necessary to stand up, the person being assisted can be erected with little effort and no burden. Further, the person being assisted can stand up from the chair without standing up from this wide space and feel the pressure of the armrest portion without worrying.

  Further, in the present invention, if the caregiver or the like supports the person to be assisted from this space, the person to be assisted can be supported from the side surface, so that the supporter or the like is supported without burden. be able to.

  Furthermore, in the present invention, when the person being assisted stands up from the chair, the chair according to the present invention does not receive any force that is pushed backward more than necessary (the person being assisted is in the foot). This force does not cause the chair to fall backwards because it can stand up with force. Therefore, in the present invention, at this time, the person being assisted or the like is not likely to fall backward, so that the person assisted or the like can be safely erected.

  In addition, in the present invention, the other corner on the front edge side of the seat portion is chamfered larger than the one corner on the front edge side of the seat portion (the seat portion is left-right asymmetric in plan view), The person being assisted makes his / her back contact with this rounded surface (the other corner on the front edge side of the seat), so that his / her foot (the foot on the other side edge of the seat in the seated state) ) Can be smoothly slid along the other side edge side (the other side of the chair) of the seat. As a result, the person being assisted can greatly expand his / her feet toward the other side edge of the seat without burden, and in the present invention, the person assisted can be erected with little effort and without burden. (If the other corner on the front edge side of the seat is not chamfered (for example, if the corner is a right angle), the back of the knee of the person being assisted will be caught in the corner. They cannot spread their feet to the other side edge of the seat without burden).

  In addition, the present invention is such that the other corner on the front edge side of the seat portion is chamfered larger than the one corner on the front edge side of the seat portion, so that the seat portion is asymmetrical in plan view, In the present invention, the person being assisted can be seated stably. Specifically, the other corner on the front edge side of the seat portion in the present invention is rounded more than the one corner on the front edge side of the seat portion, so one side on the front edge side of the seat portion. The area where the foot of the person being assisted (near the back of the knee) placed near the corner of the person touches the seat is the foot of the person assisted by the person who is placed near the other corner on the front edge side of the seat ( The area near the back of the knee is larger than the area touching the seat. Therefore, the person being assisted can stably place the foot (near the back of the knee) placed near one corner on the front edge side of the seat on the seat. In the invention, the person being assisted can be seated on the chair stably.

  Furthermore, in the present invention, since the seat portion is asymmetrical in plan view, the care recipient or the like pays attention to the difference between the left and right shapes of the seat portion, and from which direction the seat should be seated on the chair. It is possible to reliably recognize whether this is the case (hereinafter referred to as the “sitting direction”) (recognizing that it is only necessary to sit in the other angular direction on the front edge side of the seat portion that is largely rounded. can do). Thus, in the present invention, the person being assisted is seated from the wrong direction (one side edge side of the seat part where the armrest part is provided), (by hitting his own buttocks against the armrest part). It is possible to reliably prevent the balance from being lost or toppling over.

  In the present invention, since the side where the armrest portion is not provided (the other side edge side of the seat portion) is opened as described above, the person being assisted is correct using this armrest portion as a guide. Although the seating direction can be recognized (the person being assisted recognizes that it should not be seated from the side on which the armrest is provided), if the seat is asymmetrical in plan view, Since an index for recognizing the correct seating direction is given to the caregiver or the like, the person or the like can be seated more reliably and safely by using the present invention.

Furthermore, in the present invention, since the other side edge of the seat is formed in an arc shape (the seat is asymmetrical in plan view), the person being assisted, By abutting against the other side edge of the seat portion, its own foot (the foot on the other side edge side of the seat portion in the seated state) can be more smoothly along the other side edge side of the seat portion ( Can be slid to the other side of the chair). As a result, the person being assisted can expand his / her feet to the other side edge side of the seat without much burden, and in the present invention, the person assisted can be erected with less labor and without any burden. Can be made.

  In the present invention, the other side edge of the seat portion is formed in an arc shape, and the one side edge of the seat portion is formed perpendicular to the front edge of the seat portion, so that the seat portion is flat. Since it is asymmetrical in view, the feet (near the knee back) of the person being laid on the corner of one side of the front edge of the seat (one side edge of the seat) The area to be grounded is more than the area where the feet of the person being assisted (near the back of the knee) placed near the corner on the other side of the front edge of the seat (the other side edge of the seat) are grounded to the seat, It will be bigger. Therefore, the person being assisted can stably place the foot (near the back of the knee) placed near one corner on the front edge side of the seat on the seat. In the invention, the person being assisted can be seated on the chair more stably.

In the invention according to claim 2 , since the other side edge side of the seat portion can be folded downward, it can be stored compactly when the chair according to the present invention is not used.

It is a perspective view of the chair which concerns on Example 1 of this invention. It is a top view showing the seat part of the chair which concerns on Example 1 of this invention. It is a top view of the chair which concerns on Example 1 of this invention. It is a perspective view showing the use condition of the chair which concerns on Example 1 of this invention. It is a top view showing the modification of the chair which concerns on Example 1 of this invention (only a seat part is represented). It is a top view showing the modification of the chair which concerns on Example 1 of this invention (only a seat part is represented). It is a front view showing the modification of the chair which concerns on Example 1 of this invention (only a seat part is represented).

  Hereinafter, the details of the present invention will be described with reference to the drawings.

  First, the form of the chair 100 which concerns on Example 1 of this invention is demonstrated using FIG.1 and FIG.2.

  FIG. 1 is a perspective view of a chair according to Embodiment 1 of the present invention, and FIG. 2 is a plan view showing a seat portion of the chair according to Embodiment 1 of the present invention.

  As shown in FIG. 1, the chair 100 includes a seat part 10, leg parts 20 (a front leg part 20 a and a rear leg part 20 b), an armrest part 30, and a backrest part 40.

[Seat 10]
As shown in FIG.1 and FIG.2, the seat part 10 is entirely formed in plate shape. The other corner 13a on the front edge 13 side of the seat portion 10 is chamfered larger than the one corner 13b on the front edge 13 side, and thus the seat portion 10 has a non-right and left shape in plan view. It is a target (non-target left and right). At this time, one side edge 12 of the seat portion 10 is formed perpendicular to the front edge 13 of the seat portion 10, and the other side edge 11 of the seat portion 10 is formed in an arc shape. (In this case, one corner 13b on the front edge 13 side is a right angle, whereas the other corner 13a on the front edge 13 side is a curved shape. )

  The seat portion 10 is formed to have a longitudinal length of approximately 45 cm, a lateral length of approximately 50 cm, and a thickness of approximately 3 cm. Moreover, the seat part 10 can be formed with the material generally used for the seat part of a chair, for example, wood, a fiber reinforced plastic (FRP), etc.

[Leg 20]
As shown in FIG. 1, the entire leg portion 20 has a vertically long bar shape, and includes four legs, that is, front leg portions 20 a and 20 a and rear leg portions 20 b and 20 b. The front leg portions 20a and 20a are respectively extended downward from the vicinity of both end portions of the front edge 13 of the seat portion 10, and the rear leg portions 20b and 20b are respectively near both end portions of the rear edge 14 of the seat portion 10. It is extended downward from. Thus, the leg part 20 supports the seat part 10 by extending below the seat part 10.

  The length of the leg 20 in the vertical direction is approximately 40 cm, and the outer diameter is approximately 5 cm. Moreover, the leg part 20 can be formed with the material generally used for the leg part of a chair, for example, wood, a fiber reinforced plastic (FRP), etc.

[Armrest 30]
As shown in FIG. 1, the armrest part 30 is formed in an inverted L shape as a whole. The armrest portion 30 is provided above one side edge 12 side of the seat portion 10, one end is in the vicinity of one corner 13 b on the front edge 13 side of the seat portion 10, and the other end is a backrest portion 40 described later. It is dressed to be connected near the center of one side edge. That is, the armrest portion 30 is a member 30 a extending upward from the vicinity of one corner 13 b on the front edge 13 side of the seat portion 10 and the front edge of the seat portion 10 from near the center of one side edge of the backrest portion 40. It is comprised with the member 30b extended in 13 directions.

  The length in the longitudinal direction of the member 30a of the armrest 30 is approximately 20 cm, the length in the short direction is approximately 4 cm, and the thickness is approximately 2 cm. The length of the member 30b in the armrest 30 is approximately 40 cm in length. The length in the short direction is approximately 4 cm, and the thickness is approximately 2 cm. Moreover, the armrest part 30 (member 30a and 30b) can be formed with the material generally used for the armrest part of a chair, for example, a timber, a fiber reinforced plastic (FRP), etc.

[Backrest 40]
As shown in FIG. 1, the backrest portion 40 has a plate shape as a whole and is formed in a rectangular shape in front view (not shown). The backrest portion 40 extends upward from the rear edge 14 of the seat portion 10, and as described above, the other end (member 30 b) of the armrest portion 30 is connected to the vicinity of the center of one side edge. It has become.

  The backrest 40 is formed to have a longitudinal length of approximately 50 cm, a lateral length of approximately 45 cm, and a thickness of approximately 3 cm. Moreover, the backrest part 40 can be formed with the material generally used for the backrest part of a chair, for example, wood, a fiber reinforced plastic (FRP), etc.

  Next, the usage method (sitting and standing method) of the chair 100 which concerns on Example 1 of this invention is demonstrated using FIG.3 and FIG.4.

  FIG. 3 is a plan view of the chair according to the first embodiment of the present invention, and FIG. 4 is a perspective view showing a use state of the chair according to the first embodiment of the present invention.

[About the seating method]
As shown in FIGS. 3 and 4, the person being assisted 200 or the like sits down on the chair 100 from the direction of arrow A toward the seat 10. At this time, the front edge 13 side of the seat portion 10 (front of the chair 100) and the other side edge 11 side of the seat portion 10 (the other side of the chair 100) are open (the chair 100 includes The armrest portion 30 is provided only above the one side edge 12 side of the seat portion 10 and the armrest portion 30 is not provided above the other side edge 11 side). However, there is no risk of losing balance or falling by hitting his / her buttocks against the armrest part 30 (the armrest part 30 becomes an obstacle). While avoiding, it is not necessary to sit down slowly (slowly) toward the seat 10. Therefore, the person to be assisted 200 or the like can safely and easily sit on the chair 100 by sitting on the chair 100 in this way (by sitting down from the direction of arrow A toward the seat 10). it can.

  Further, in the chair 100, the other side edge 11 of the seat portion 10 is formed in an arc shape, and the one side edge 12 of the seat portion 10 is formed perpendicular to the front edge 13 of the seat portion 10. (The other corner 13a on the front edge 13 side of the seat portion 10 is rounded more than the one corner 13b on the front edge 13 side of the seat portion 10), and the seat portion 10 is asymmetrical in plan view. Therefore, when the person being assisted 200 sits on the chair 100, the legs of the person assisted 200 (near the back of the knee) placed near one corner 13 b on the front edge 13 side of the seat 10. ) Is the area where the foot (near the knee) of the person being laid on the front corner 13 side of the seat 10 is in contact with the seat 10. It will be bigger. Therefore, the person being assisted 200 stably places the foot (near the knee back) placed near the one corner 13b on the front edge 13 side of the seat 10 on the seat 10 accordingly. Therefore, the chair 100 can be seated stably.

  Furthermore, the shape of the seat portion 10 of the chair 100 is asymmetrical in plan view, and the person being assisted 200 or the like pays attention to the difference between the left and right shapes of the seat portion 10 so that the correct seating direction (arrow A direction) can be reliably recognized, so that the user can sit on the chair 100 safely and securely.

[How to stand up]
As shown in FIGS. 3 and 4, the person being assisted 200 first places his / her foot on the other side edge 11 side of the seat 10 in the seated state on the other side edge 11 side of the seat 10. By spreading (in the direction of arrow B), the legs are left and right (the lower body is stable). Then, the person being assisted 200 or the like lifts his body in this state and stands up from the chair 100 in the direction of arrow C.

  At this time, the front edge 13 side of the seat portion 10 (front of the chair 100) and the other side edge 11 side of the seat portion 10 (the other side of the chair 100) are open, so that the person being assisted 200 and the like 200 When standing up from the chair 100, it is not necessary to stand in an unstable state with the feet aligned (it is not necessary to stand up from the chair 100 depending on the strength of both arms) You can stand up with your legs in a relaxed state, with your lower body stabilized (you can use this open space to widen your legs). In addition, the person being assisted 200 or the like stands up from the chair 100 in the direction of the arrow C (opened side) in this way, so that the armrest 30 is not compressed and can be safely and stably. , Can stand up from the chair 100 (can stand up safely and stably from a wide space).

  In addition, if the person being assisted 200 stands up from the chair 100 in this manner, the chair 100 is not subjected to an excessive force to be pushed rearward (the person being assisted 200 is placed on the foot). This force does not cause the chair 100 to fall backwards because it can stand up with force and does not have to rely on the strength of both arms. Therefore, in this case, since the person being assisted 200 is not likely to fall backward, the person being assisted 200 can stand up safely from the chair 100.

  Further, since the other side edge 11 of the seat portion 10 is formed in an arc shape (the other corner 13a on the front edge 13 side of the seat portion 10 is one corner on the front edge 13 side of the seat portion 10). Since the beveled portion is larger than 13b), the person to be assisted 200 or the like is able to place his / her foot on the other side edge 11 side of the seat portion 10 in the seated state on the other side edge 11 side of the seat portion 10 When the leg is spread out, the sole of the foot is brought into contact with the other side edge 11 of the seat portion 10 (a portion that is largely chamfered), thereby making the foot more smoothly along the foot. 10 can be slid to the other side edge 11 side (arrow B direction). Thereby, the person being assisted 200 or the like can stand his / her feet up from the chair 100 with less effort and no burden because his / her legs can be greatly widened to the other side edge 11 side of the seat 10 with less burden. Can do.

  In addition, if the person to be assisted 200 stands up from the chair 100 in this way, the person to be assisted can support the person to be assisted 200 from the side surface. Can be supported.

  As described above, by adopting the configuration of the present invention, a chair is provided that allows the person being assisted 200 to sit safely and easily and stably and stand up safely with little effort and no burden. It can be done.

  In this embodiment, the chair 100 (the seat portion 10, the leg portion 20 (the front leg portion 20a and the rear leg portion 20b), the armrest portion 30 and the backrest portion 40) is formed with the above dimensions. These may be formed in other dimensions (larger or smaller) depending on the body shape of the person 200 or the like and the situation where the chair 100 is used.

  Further, in this embodiment, the seat portion 10 is formed so as to have a cannonball shape in a plan view, but the other corner 13a on the front edge 13 side of the seat portion 10 is one side of the front edge 13 side. By being rounded chamfered larger than the corner 13b (the seat portion 10 is not subject to right and left in plan view), the feet of the other side edge 11 side of the seat portion 10 in the state where the person being assisted 200 is seated Is spread to the other side edge 11 side of the seat portion 10, the sole of the foot is brought into contact with the other side edge 11 of the seat portion 10 (a portion that is largely chamfered) so that the foot Can be slid more smoothly along the other side edge 11 side (in the direction of arrow B) of the seat portion 10, and when the care recipient 200 sits on the chair 100, the seat portion 10 feet (near the knee back) placed near one corner 13b on the front edge 13 side If it can be stably seated on the chair 100 by being stably placed on the seat portion 10, the shape of the seat portion 10 in a plan view is, for example, another shape such as a bow shape. It can also be formed (a part of the other side edge 11 of the seat portion 10 is formed in an arc shape, see FIG. 5).

  Further, in this embodiment, one corner 13b on the front edge 13 side of the seat portion 10 is a right angle, but the other corner 13a on the front edge 13 side of the seat portion 10 is one side on the front edge 13 side. The corner 10b is larger than the corner 13b (the seat 10 is thereby not subject to left and right in plan view), and the person being assisted 200 is located near one corner 13b on the front edge 13 side of the seat 10 If the foot to be placed (near the back of the knee) can be stably placed on the seat 10 (if it can be stably seated on the chair 100), the front edge 13 The corner 13b on the side can also be chamfered.

  Furthermore, in the present embodiment, the configuration of the seat portion 10 is as described above. However, for example, it can be modified as follows.

  FIG. 6 is a plan view showing a modification of the chair according to the first embodiment of the present invention (representing only the seat), and FIG. 7 is a front view showing a modification of the chair according to the first embodiment of the present invention. (Represents only the seat).

  As shown in FIGS. 6 and 7, the seat portion 10 is configured such that one side edge 12 of the seat portion 10 is formed perpendicular to the front edge 13 of the seat portion 10 and the other side of the seat portion 10 as described above. When the entire side edge 11 is formed in an arc shape, the other side edge 11 side of the seat portion 10 can be folded downward (in the direction of arrow D) with the x1-x2 line as a boundary. It can also be configured. Thus, by comprising the seat part 10, when the chair 100 is not used, this can be accommodated compactly (when the chair 100 is not used, the other side edge 11 side of the seat part 10). Fold downward).

  In this case, for example, the other side edge 11 side of the seat portion 10 (the region on the right side of the x1-x2 line in plan view) is connected to one side edge 12 side (plane surface) of the seat portion 10 by the hinge 50. When the chair 100 is pivotably attached to a region on the left side of the x1-x2 line in view and the chair 100 is used (the other side edge 11 side of the seat portion 10 is not folded downward), the seat portion Well-known pivoting and locking means such as inserting a lock piece into the hinge 50 can be used so that the other side edge 11 side of 10 is not folded downward (becomes impossible to rotate).

  Further, in the present embodiment, the shape of the leg portion 20 (the front leg portion 20a and the rear leg portion 20b) is formed so as to be a vertically long rod shape, but the seat portion 10 can be supported. For example, it can be formed in other shapes. For example, the leg part 20 (the front leg part 20a and the rear leg part 20b) can also be formed so as to have a U-shape as a whole (such as a pipe-like rod-like bent part or the like).

  In addition, in the present embodiment, the shape of the armrest portion 30 is formed so as to be an inverted L-shape as a whole. However, when the person being assisted 200 or the like sits on the chair 100, If the assistant 200 or the like can place the elbow on the side edge 12 side of the seat portion 10 in the state of being seated on the chair 100 on the armrest portion 30, this can be changed to another shape. Of course, it can be formed.

  In the present embodiment, the armrest portion 30 is provided above the one side edge 12 side of the seat portion 10. However, it may be provided above the other side edge 11 side of the seat portion 10. it can. In this case, the configuration of the seat portion 10 is configured to be reversed left and right, for example, one corner 13b on the front edge 13 side of the seat portion 10 is rounded more than the other corner 13a on the front edge 13 side. Of course, there is a need.

  Finally, in the present embodiment, the backrest portion 40 is extended upward from the rear edge 14 of the seat portion 10. However, depending on the situation of the care recipient 200 using the chair 100, this may be changed to the chair. It is also possible not to provide 100. This will be explained in detail. When a caretaker or the like 200 whose back is bent (for example, a lot of elderly people) is seated on the chair 100, there is a possibility that the bent waist may hit the backrest 40. Therefore, the presence of the backrest portion 40 (becomes an obstacle) prevents the person being assisted 200 from sitting on the chair 100 in a deep and stable manner. Therefore, by configuring in this way, an open space is created behind the chair 100 (on the rear edge 14 side) (because the backrest portion 40 does not exist), so that the person being assisted is bent at the waist. And the like 200 can be seated deeply and stably on the chair 100 (this configuration is particularly effective under such circumstances).

  Thus, it goes without saying that various modifications can be made in the present embodiment without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 10 Seat part 11 The other side edge 12 One side edge 13 The front edge 13a The other corner on the front edge side 13b The one corner on the front edge side 14 The rear edge 20a The front leg part 20b The rear leg part 30 The armrest part 30a member 30b member 40 The backrest part 50 Hinge 100 Chair 200 Caregiver etc.

Claims (2)

A seat for the user to sit on;
A leg that extends below the seat and supports the seat;
Provided above one side edge side of the seat, and an armrest for a user to place an elbow;
The other corner on the front edge side of the seat portion is chamfered larger than the one corner on the front edge side of the seat portion ,
The other side edge of the seat is formed in an arc shape,
A chair characterized in that one side edge of the seat portion is formed perpendicular to the front edge of the seat portion, so that the seat portion is asymmetrical in plan view. The chair according to claim 1 , wherein the other side edge side of the seat portion can be folded downward.

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